package thread.concurrents;


import java.util.concurrent.ConcurrentHashMap;

/**
 * @Author: ycy
 * @CreateDate: 2020/10/23 19:53
 */
public class ConcurrentHashMapDemo {


  public void test1() {
    ConcurrentHashMap concurrentHashMap = new ConcurrentHashMap<String, Integer>();
    Object haha = concurrentHashMap.put("haha", 1);

  }

}
